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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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Solar Powered WiFi Weather Station V2.0
iSpndel_4.0
400 Watts Stereo Audio Amplifier Board DIY 2SC5200+2SA1943
Arduino RC engine sound & light controller with inertia simulation for ESP32
Tad Boy Color
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Onju Voice - AI assistant replacement to Google Nest Mini by @justLV
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ZIMBABWE
Hello!We have prepared a small tutorial with Raspberry Pi + UltrasonicSensor + Servo Motor. I would try another Raspberry Pi application forbeginners; I looked among the pieces I had at my disposal, a...
Raspberry Pi + Servo Motor + Ultrasonic Sensor
6090
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
Learning Shield for Arduino BoardsThis learning shield for Arduino takes all the complexity of the hardware and reduces it to a simple interface. This is a modular circuit board with extra functionali...
Learning Shield for Arduino Uno
954
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
Capacity indicator for Li-Ion batteriesAs you can see from the title of this project, this time I want to present you a indicator circuit version made with the well-known LM3914; I present a small ele...
LM3914 Indicator
1592
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
The LM3914 integrated circuit is well known. Its capsule with the meaning of the pins is presented in this datasheet.https://www.ti.com/lit/ds/symlink/lm3914.pdfThe IC is especially known for controll...
10 POINTS VOLTMETER, HIGH RESOLUTION
956
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
Indicator for rechargeable batteryI present to you a circuit of very small dimensions, designed with a few SMD components; easy to implement in narrow spaces, important for some electronic projects. T...
Indicator for discharged battery
1148
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
Safeguard your alarm system in style with this specially designed sheet metal cage, accommodating modules up to 24(L) x 20(W) x 7(H) cm. Combining a modern, futuristic aesthetic with robust security, ...
Security Alarm Protection Cage
241
1
2
David Oroian
David Oroian
ROMANIA
0
0
Circuit working principleThe application schemes of the already integrated classics LM317 and LM337 are used, but with the modified reference to increase the voltage from 0V. The power supply is made ...
Differential voltage source
1673
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
PWM controller with galvanic isolationCircuit operationWith this type of circuit you can control the speed of a motor from 0 to 100%. The pulses are generated by the oscillator made with NE555, the fr...
PWM controller with galvanic isolation
2434
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
Circuit presentationThe electronic circuit presented indicates the value of the voltage with eight LEDs, namely the following voltage levels: 10; 10.5; 11; 12; 13; 14; 14.5 and 15V. Because the values...
Car Battery Monitor
1165
0
1
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
Circuit Operation?The assembly ensures the charging phase with limited current and constant voltage. The low voltage charging current of the transformer passes through the transistor Q1, the diode D7,...
Battery Cell Charger
1310
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
Hello! This is my Project!. There are situations when it is necessary the display in one form or another of an electrical size or non-electric. Display mode it is chosen taking into account several as...
Simple Voltage Indicator with LEDs Bargraph
1748
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
Technical data: - supply voltage 12-15V; - minimum level of the audible signal applied at the input> 6Vrms; - adjustment of tilting thresholds.Circuit descriptionAt the base of the a...
Audio balance indicator
1850
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
SAE PCB Key Rings in striking blue, available in four distinctive variants to suit your preferences. Two of these variants feature a built-in battery, a tactile button, 8 red LEDs, and 8 50-ohm resist...
SAE emblem - Key Ring
486
0
0
Andrei Grosu
Andrei Grosu
ROMANIA
0
6
Monitor for equal voltage at the terminals of two 12V batteries.Circuit presentation Most 24V back-up power systems, such as fireplaces, etc., use two 12V batteries. The charging system of the voltage...
Monitor for 12V batteries
947
0
0
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
You cand find details in article from http://nicuflorica.blogspot.com/2019/11/cablaj-universal-pentru-ceasuri-cu.html
Universal PCB for LEDmatrixClock
1831
0
2
Florica Tudor-Nicusor
Florica Tudor-Nicusor
ROMANIA
22
2
Hello! I made this platform for me, you can use it with an ATMega8 or ATMega328 microcontroller, or any compatible microcontroller. I made a simpler version, giving up the programming circuit via USB ...
Programmable Board with ATMega
1747
0
2
Cristian Pitigoi
Cristian Pitigoi
ROMANIA
49
14
1
2
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